:root {
  --navy-950: #050e17;
  --navy-900: #0a1a28;
  --navy-800: #0e2436;
  --navy-700: #12324a;
  --accent: #2fb6e0;
  --accent-2: #7fe0f5;
  --text-light: #eef4f9;
  --text-muted: #93a8ba;
  --font-heading: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--navy-950);
  background: #ffffff;
}

h1, h2, h3, h4, .navbar-brand {
  font-family: var(--font-heading);
  letter-spacing: -0.01em;
}

.accent { color: var(--accent); }
.accent-text { color: #fff; }

a { text-decoration: none; }

/* ---------- NAVBAR ---------- */
#mainNav {
  padding: 22px 24px 0;
}
.nav-shell {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 20, 30, 0.55);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  padding: .85rem 1.6rem;
}
#mainNav .navbar-brand {
  display: flex;
  align-items: center;
  padding: 0;
}
.brand-logo {
  height: 40px;
  width: auto;
  display: block;
  margin-right: 20px;
}
#mainNav .nav-link {
  color: #fff;
  opacity: .85;
  font-weight: 500;
  font-size: .90rem;
  text-transform: none;
}
#mainNav .nav-link:hover { opacity: 1; color: var(--accent-2); }

.navbar-toggler {
  border: 0;
  padding: .4rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  box-shadow: none !important;
}
.navbar-toggler .toggler-bar {
  width: 24px;
  height: 1.5px;
  background: var(--text-light);
  transition: transform .3s ease, opacity .3s ease;
}
.navbar-toggler.open .toggler-bar:first-child { transform: translateY(3.75px) rotate(45deg); }
.navbar-toggler.open .toggler-bar:last-child { transform: translateY(-3.75px) rotate(-45deg); }

@media (max-width: 991.98px) {
  #navMenu {
    position: fixed;
    inset: 0;
    background: var(--navy-950);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-2%);
    transition: opacity .35s ease, transform .35s ease, visibility 0s linear .35s;
    margin: 0;
    border-radius: 0;
    padding: 0;
  }
  #navMenu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity .35s ease, transform .35s ease;
  }
  #navMenu .navbar-nav {
    text-align: center;
    gap: 2rem !important;
  }
  #navMenu .nav-link { font-size: 1.3rem; }
  .brand-logo { height: 28px; }
  .nav-close {
    position: absolute;
    top: 26px;
    right: 26px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 0;
    padding: 0;
  }
  .nav-close span {
    position: absolute;
    width: 24px;
    height: 1.5px;
    background: var(--text-light);
  }
  .nav-close span:first-child { transform: rotate(45deg); }
  .nav-close span:last-child { transform: rotate(-45deg); }
}
@media (min-width: 992px) {
  /* Bootstrap's ".navbar-expand-lg .navbar-collapse{display:flex!important}"
     rule outranks the d-lg-none utility (2 classes beats 1); this ID selector
     outranks Bootstrap's rule in turn, keeping the mobile panel hidden. */
  #navMenu { display: none !important; }
}

.btn {
  border-radius: 15px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.btn-accent {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--navy-950);
  font-weight: 500;
  border-radius: 5px;
  text-transform: none;
}
.btn-kontakt {
  font-size: 11px;
  padding: 8px 10px;
}
.btn-more {
  font-size: 15px;
  padding: 13px 50px!important;
}
.btn-send {
  font-size: 15px;
  padding: 10px 30px!important;
}
.btn-accent:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: var(--navy-950);
}
.btn-outline-light { font-weight: 600; }

/* ---------- HERO SCROLLYTELLING ---------- */
.hero-pin-wrap {
  position: relative;
  height: 260vh; /* scroll distance that drives the animation */
  background: var(--navy-950);
}
.hero-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--navy-800); /* fallback while the real photo is added */
  filter: grayscale(0) brightness(1);
}
.hero-photo-tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--navy-900), #123a52 60%, var(--navy-950));
  mix-blend-mode: color;
  opacity: 0;
}
.hero-blueprint {
  position: absolute;
  inset: 0;
}
.hero-svg {
  width: 100%;
  height: 100%;
}

.bp-grid { opacity: 0; transition: opacity .3s ease; }

.bp-outline {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  opacity: 0;
  vector-effect: non-scaling-stroke;
}
.bp-outline.bp-main { stroke-width: 2; stroke-dasharray: 6 4; }
.dim-label {
  fill: var(--accent-2);
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .04em;
}
.plan-title { font-weight: 600; font-size: 17px; }

.pipe-network { opacity: 0; }
.pipe-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
}
.pipe-branch { stroke: var(--accent-2); stroke-width: 1.5; stroke-dasharray: 4 4; }
.pipe-hydrant { stroke: #ff8a65; }
.pipe-node { fill: var(--navy-950); stroke: var(--accent); stroke-width: 1.5; }

.valve-icon .valve-ring { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.valve-icon .valve-spoke { stroke: var(--accent); stroke-width: 1.5; }

.bp-label text {
  fill: var(--accent-2);
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: .04em;
}
.bp-label .leader { stroke: var(--accent-2); stroke-width: 1; opacity: .7; }

.hero-copy {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 4rem;
}
.hero-copy .eyebrow {
  color: #fff;
  letter-spacing: .18em;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.hero-copy h1 {
  color: var(--text-light);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 1.5rem;
}
.hero-copy .lead-text {
  color: #fff;
  font-size: 1.15rem;
  max-width: 560px;
  margin-bottom: 2.2rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

[data-scroll-reveal] {
  opacity: 0;
  transform: translateY(24px);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 2.2rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  color: #fff;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .85;
}
.scroll-arrow {
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  position: relative;
}
.scroll-arrow::after {
  content: "";
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 6px; height: 6px;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  rotate: 45deg;
}

/* ---------- STATS STRIP ---------- */
.stats-strip {
  background: var(--navy-900);
  padding: 3.2rem 0;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--text-light);
}
.stat-label {
  color: var(--text-muted);
  font-size: .9rem;
  letter-spacing: .03em;
}

/* ---------- SHARED SECTION STYLES ---------- */
.section-py { padding: 6.5rem 0; }
.bg-light-alt { background: #f4f8fa; }
.bg-dark-alt { background: var(--navy-950); }

.section-eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .14em;
  font-size: .78rem;
  text-transform: uppercase;
  margin-bottom: .8rem;
}
.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--navy-950);
}
.section-text {
  color: #46586a;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.1rem;
}
.text-light-muted { color: var(--text-muted) !important; }

.about-visual { display: flex; justify-content: center; }
.about-image { width: 100%; max-width: 180px; height: auto; opacity: 0.7; }

/* ---------- SERVICES ---------- */
.service-card {
  background: #fff;
  border: 1px solid #e4ebf0;
  border-radius: 16px;
  padding: 2.2rem 1.7rem;
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(10,26,40,.1);
}
.service-icon {
  width: 52px; height: 52px;
  color: var(--accent);
  margin-bottom: 1.2rem;
}
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .7rem;
  color: var(--navy-950);
}
.service-card p {
  color: #5c6d7d;
  font-size: .95rem;
  line-height: 1.6;
  margin: 0;
}

/* ---------- REFERENCE ---------- */
.ref-card-photo {
  height: 320px;
  border-radius: 16px;
  background-size: cover;
  background-position: center;
  background-color: var(--navy-800); /* fallback while real photos are added */
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}
.ref-card-photo h3 {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}
.ref-tag {
  align-self: flex-start;
  background: rgb(5 14 23 / 26%);
  color: #fff;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .4rem .9rem;
  border-radius: 999px;
  margin-bottom: auto;
}

.ref-mini {
  background: #f4f8fa;
  border: 1px solid #e4ebf0;
  border-radius: 10px;
  padding: 1rem 1.2rem;
  font-size: .92rem;
  font-weight: 500;
  color: #33475a;
  height: 100%;
  display: flex;
  align-items: center;
}
.ref-footnote {
  margin-top: 1.5rem;
  color: var(--text-muted);
  font-style: italic;
  font-size: .92rem;
}

/* ---------- CONTACT ---------- */
.contact-list { list-style: none; padding: 0; margin: 2rem 0 0; }
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: .9rem 0;
  /*border-bottom: 1px solid rgba(255,255,255,.08);*/
  color: var(--text-light);
}
.contact-label {
  color: var(--accent-2);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.contact-list a { color: var(--text-light); }
.contact-list a:hover { color: var(--accent-2); }

.contact-form {
  background: var(--navy-900);
  border: 1px solid var(--navy-700);
  border-radius: 18px;
  padding: 2.2rem;
}
.contact-form .form-label { color: var(--text-muted); font-size: .85rem; margin-bottom: .4rem; }
.contact-form .form-control,
.contact-form .form-select {
  background: var(--navy-950);
  border: 1px solid var(--navy-700);
  color: var(--text-light);
  padding: .7rem .9rem;
}
.contact-form .form-control:focus,
.contact-form .form-select:focus {
  background: var(--navy-950);
  color: var(--text-light);
  border-color: var(--accent);
  box-shadow: 0 0 0 .2rem rgba(47,182,224,.2);
}
.contact-form .form-control::placeholder { color: #5a7180; }
.form-status { font-size: .9rem; }
.form-status-success { color: #4ade80; }
.form-status-error { color: #ff8a65; }

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--navy-950);
  color: var(--text-light);
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255,255,255,.18);
}

@media (max-width: 991.98px) {
  .hero-stage { height: 100svh; }
  .hero-photo { background-position: 58%; }
}

@media (min-width: 992px) {
	.gap-lg-5 {
		gap: 1.5rem!important;
	}
}